S-94115A541 1/4"-20 x 3/4" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Secure Anti-Loosening Performance - Green nylon 6/6 plastic tip maintains consistent pressure and prevents vibration-induced loosening in demanding applications
• Superior Corrosion Resistance - Black-oxide coating on alloy steel provides enhanced protection against rust and environmental degradation
• High-Strength Construction - Rockwell C28 hardness rating ensures exceptional durability and load-bearing capacity for heavy-duty applications
• Precision Thread Engagement - Class 3A UNC coarse threads deliver tighter tolerances and more reliable fastening than standard threads
• Easy Installation & Removal - Hex drive design with 1/8" drive size allows for straightforward installation using common tools
• Wide Temperature Compatibility - Nylon tip functions reliably across extreme temperatures from -50° to 250° F
• Space-Saving Headless Design - Compact profile enables use in confined spaces where traditional fastener heads won't fit

Professional Applications & Engineering Value

This black-oxide alloy steel set screw with nylon tip addresses critical engineering challenges in industrial fastening applications. The headless design combined with hex drive installation provides reliable performance in space-constrained assemblies while maintaining accessibility for maintenance. The green nylon 6/6 plastic tip creates a vibration-resistant locking mechanism that prevents component slippage in machinery, automotive systems, and precision equipment. With UNC coarse threads and Class 3A fit, this fastener ensures rapid installation and superior holding power in high-vibration environments. The temperature-resistant tip material maintains its mechanical properties across extreme operating conditions, making it ideal for applications subject to thermal cycling or environmental exposure.

Specification Summary & Compliance

This set screw features precision 1/4"-20 UNC coarse threads with Class 3A fit for superior dimensional accuracy and thread engagement. Manufactured to meet ASME B18.3 specifications, ensuring consistent quality and performance. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting current environmental regulations for industrial use. The combination of alloy steel construction with Rockwell C28 hardness and black-oxide surface treatment provides optimal strength and corrosion resistance for demanding applications.